2009 Audi A4 vs. 1999 Mercedes-Benz S
To start off, 2009 Audi A4 is newer by 10 year(s). Which means there will be less support and parts availability for 1999 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 1999 Mercedes-Benz S would be higher. At 4,966 cc (8 cylinders), 1999 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 1999 Mercedes-Benz S (302 HP @ 5500 RPM) has 102 more horse power than 2009 Audi A4. (200 HP @ 5100 RPM) In normal driving conditions, 1999 Mercedes-Benz S should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 1999 Mercedes-Benz S weights approximately 924 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Mercedes-Benz S. In wet, icy, snow, or gravel driving conditions, 2009 Audi A4 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1999 Mercedes-Benz S (460 Nm @ 2700 RPM) has 179 more torque (in Nm) than 2009 Audi A4. (281 Nm @ 1800 RPM). This means 1999 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2009 Audi A4 | 1999 Mercedes-Benz S | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | S |
| Year Released | 2009 | 1999 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1983 cc | 4966 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 200 HP | 302 HP |
| Engine RPM | 5100 RPM | 5500 RPM |
| Torque | 281 Nm | 460 Nm |
| Torque RPM | 1800 RPM | 2700 RPM |
| Engine Bore Size | 82.5 mm | 97 mm |
| Engine Stroke Size | 92.8 mm | 84 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 930 kg | 1854 kg |
| Vehicle Length | 4580 mm | 5170 mm |
| Vehicle Width | 1780 mm | 1860 mm |
| Vehicle Height | 1400 mm | 1460 mm |
| Wheelbase Size | 2660 mm | 3090 mm |
| Fuel Tank Capacity | 34 L | 88 L |
